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$750+ Cheap flights from Australia to Louisville (SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SDF
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Australia to Louisville

Cheapest flights from Australia to Louisville
Explore the most affordable flight options available from Australia to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/159:10 am
MEL
-
SDF
2 stops27h 05m
Delta
Sun 3/223:05 pm
SDF
-
MEL
2 stops48h 55m
Delta
Deal found 1/28$893
This United Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2811:30 am
MEL
-
SDF
2 stops26h 43m
United Airlines
Sat 3/71:58 pm
SDF
-
MEL
2 stops28h 02m
United Airlines
Deal found 1/29$921
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/242:15 pm
SYD
-
SDF
2 stops35h 13m
Delta
Tue 3/312:12 pm
SDF
-
SYD
2 stops26h 38m
Delta
Deal found 1/27$1,181
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:15 am
SYD
-
SDF
2 stops27h 33m
Delta
Mon 5/411:12 am
SDF
-
SYD
2 stops29h 38m
Delta
Deal found 1/26$1,224
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:20 am
SYD
-
SDF
2 stops26h 10m
United Airlines
Mon 5/42:00 pm
SDF
-
SYD
2 stops26h 55m
United Airlines
Deal found 1/28$1,233
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2411:20 am
SYD
-
SDF
2 stops27h 17m
United Airlines
Tue 3/33:30 pm
SDF
-
SYD
1 stop23h 30m
United Airlines
Deal found 1/27$1,368
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:45 pm
SYD
-
SDF
2 stops32h 19m
American Airlines
Sun 2/226:00 am
SDF
-
SYD
1 stop32h 55m
American Airlines
Deal found 1/28$1,668
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/181:00 pm
MEL
-
SDF
2 stops23h 09m
United Airlines
Sun 2/222:05 pm
SDF
-
MEL
2 stops27h 55m
United Airlines
Deal found 1/26$1,736
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1811:20 am
SYD
-
SDF
2 stops26h 26m
United Airlines
Sun 2/222:05 pm
SDF
-
SYD
2 stops24h 15m
United Airlines
Deal found 1/26$1,743
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/282:55 pm
ADL
-
SDF
2 stops37h 59m
United Airlines
Sun 2/16:12 pm
SDF
-
ADL
2 stops47h 48m
United Airlines
Deal found 1/26$1,743
This American Airlines deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:05 pm
MEL
-
SDF
1 stop41h 32m
Multiple Airlines
Sat 3/76:23 pm
SDF
-
MEL
2 stops25h 02m
Multiple Airlines
Deal found 1/29$1,797
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1512:00 pm
MEL
-
SDF
2 stops24h 26m
American Airlines
Sun 3/226:23 pm
SDF
-
MEL
1 stop43h 37m
American Airlines
Deal found 1/28$1,849

Find flight deals from Australia to Louisville

Keep the following information in mind while searching for Australia to Louisville flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$893
(Delta)

One-way from

$750
(Delta)

Popular in

July

Cheapest in

October

Average price

$1,204
Provider with most accurate pricing for Sydney Kingsford Smith-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Louisville Intl flights.
Search Deals
From Australia to Louisville Intl
Search Deals
One-way flight from Australia to Louisville Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($172 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Australia to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Australia to Louisville that are best for you.

Fly from

Australia

Fly to

Louisville

Route

Depart

Return

Price

MelbourneLouisville

MEL - SDF

MELSDF

Melbourne

Sun 3/15

9:10 am-9:15 pm

2 stops27h 05m

Louisville Intl

Sun 3/22

3:05 pm-7:00 am

2 stops48h 55m

$893

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Fri 4/24

9:15 am-11:59 pm

2 stops28h 44m

Louisville Intl

Mon 5/4

11:12 am-6:50 am

2 stops29h 38m

$1,228

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Fri 4/24

10:20 am-10:30 pm

2 stops26h 10m

Louisville Intl

Mon 5/4

2:00 pm-6:55 am

2 stops26h 55m

$1,233

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Tue 2/24

11:20 am-10:37 pm

2 stops27h 17m

Louisville Intl

Tue 3/3

3:30 pm-7:00 am

1 stop23h 30m

$1,368

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Wed 2/18

5:45 pm-10:04 am

2 stops32h 19m

Louisville Intl

Sun 2/22

6:00 am-6:55 am

1 stop32h 55m

$1,668

MelbourneLouisville

MEL - SDF

MELSDF

Melbourne

Wed 2/18

1:00 pm-8:09 pm

2 stops23h 09m

Louisville Intl

Sun 2/22

2:05 pm-10:00 am

2 stops27h 55m

$1,736

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Wed 2/18

11:50 am-7:51 pm

1 stop24h 01m

Louisville Intl

Sun 2/22

3:30 pm-7:00 am

1 stop23h 30m

$1,743

MelbourneLouisville

MEL - SDF

MELSDF

Melbourne

Sun 3/15

12:00 pm-9:26 pm

2 stops24h 26m

Louisville Intl

Sun 3/22

6:23 pm-5:00 am

1 stop43h 37m

$1,849

MelbourneLouisville

MEL - SDF

MELSDF

Melbourne

Wed 2/18

4:05 pm-12:13 am

1 stop24h 08m

Louisville Intl

Sun 2/22

10:49 am-9:30 am

2 stops30h 41m

$1,880

MelbourneLouisville

MEL - SDF

MELSDF

Melbourne

Sat 2/28

4:05 pm-12:13 am

1 stop24h 08m

Louisville Intl

Sat 3/7

10:49 am-5:00 am

1 stop26h 11m

$1,901

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 20 results
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Best time to book a flight from Australia to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Australia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Australia to Louisville

What is the cheapest month to book a flight from Australia to Louisville?

Currently, November is the cheapest month in which you can book a flight from Australia to Louisville (average of $627). Flying from Australia to Louisville in July is currently the most expensive (average of $1,120). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Australia to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Louisville from Australia?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly into when you book flights from Australia to Louisville.

  • How long is the flight from Australia to Louisville?

    For as low as $1,233, Delta can have you in Louisville from Australia in 26h 10m. Australia and Louisville are separated by a distance of 9288 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Australia to Louisville?

    The most popular flight routes from Australia to Louisville are Melbourne - Louisville Intl, Sydney Kingsford Smith - Louisville Intl and Adelaide - Louisville Intl.

  • Can I find deals for flights from Australia to Louisville that include hotel bookings?

    Yes. In addition to deals on Australia to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Australia to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Louisville.

  • Can I find deals for business class flights from Australia to Louisville?

    Yes. Cheapflights offers flight deals from Australia to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Australia to Louisville?

    Currently, November is the cheapest month in which you can book a flight from Australia to Louisville (average of $627). Flying from Australia to Louisville in July is currently the most expensive (average of $1,120). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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